/* Hawk - An OSGI Based Test Framework
 *
 * Copyright (C) 2010 http://code.google.com/p/hawk-framework/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 */
package org.hawk.bundles.ping;

import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

/**
 * This class is responsible to register and unregister the ping service in OSGI
 * container 
 * 
 * @author Rodrigo Prestes Machado
 * @version July 8, 2010
 */
public class Activator implements BundleActivator {

	private ServiceReference serviceReference;
	
	/**
	 * Register the ping service
	 */
	public void start(BundleContext context) throws Exception {	
		
		String serviceName = Ping.class.getName();
		context.registerService(serviceName, new Ping(), null);
		serviceReference = context.getServiceReference(serviceName);
	}

	/**
	 * Unregister the ping service
	 */
	public void stop(BundleContext context) throws Exception {
		context.ungetService(serviceReference);
	}
}